Fully Printable Collective Pitch RC helicopter.

cults3d

Disclaimer: Be careful with high-speed rotating parts. Improper printing or assembly, or inferior materials, may cause problems. Centrifugal forces of the blades will be under 40 N at 4000 rpm, but they are not harmless if something shatters. Avoid hovering with the blades at eye level without protective goggles. News: I'm pretty much finished with the design. It flies great and works reliably. News: Changed the nose a bit. Made it narrower, and it looks a little more balanced now. The camo one pictured has the new shape. All parts should print without additional supports now. Assembly notes: -I attached an exploded view of the head and swash plate. The arrows marked "CA" indicate where you should use a tiny amount of CA glue (superglue/crazy glue) to bond the swash plate and bearing together. -The main rotor head and swash plate need to be adjusted so that they operate at the same cyclic phase. This is done by turning the washout arm. If your flybarless gyro unit does not have software phase adjustment, the main motor ESC needs BEC, the other can be OPTO. Eight 2x5x2,5mm ball bearings for the blade grips. One 10x15x4mm ball bearing for the swash plate: https://www.banggood.com/FS-Racing-FS-53910-FS-53625-6PCS-582002-Roll-Bearing-10x15x4mm-110-RC-Car-Parts-p-1153527.html?p=HD240528697332015103 Two 3x6x2,5mm ball bearings for the main shaft: https://www.banggood.com/Orlandoo-F150-OH35P01-KIT-Parts-30625-Ball-Bearing-TA0009-p-985250.html?p=HD240528697332015103 Any small 3S capable ESC. I used 6A ESC for the tail and 10 A ESC for the main motor because that's what I had. Three S 450mAh or similar:https://www.banggood.com/Gaoneng-GNB-11_1V-450mAh-80160C-3S-Lipo-Battery-JSTXT30-Plug-p-1165484.html?p=HD240528697332015103 I used a KDS EBAR V2. Works well. ZYX S2, V-Bar mini or similar works just as good: https://www.banggood.com/Tarot-ZYX-S2-3-Axis-Gyro-System-ZYX23-USB-Programmer-Link-p-91613.html?p=HD240528697332015103